Fix assert failure in dump_syms caused by binary linked with gold.
Fix assert failure in dump_syms caused by binary linked with gold.

Original review: http://breakpad.appspot.com/224001
A=raymes
R=ccoutant
Review URL: http://breakpad.appspot.com/227001

git-svn-id: a14e546401035be51a469fbea25ecce70a1a22f2@729 4c0a9323-5329-0410-9bdc-e9ce6186880e

tomgr/google-breakpad,tomgr/google-breakpad,tomgr/google-breakpad,tomgr/google-breakpad,tomgr/google-breakpad